EA007764B1 - Буровое долото и система для бурения ствола скважины - Google Patents

Буровое долото и система для бурения ствола скважины Download PDF

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Publication number
EA007764B1
EA007764B1 EA200501840A EA200501840A EA007764B1 EA 007764 B1 EA007764 B1 EA 007764B1 EA 200501840 A EA200501840 A EA 200501840A EA 200501840 A EA200501840 A EA 200501840A EA 007764 B1 EA007764 B1 EA 007764B1
Authority
EA
Eurasian Patent Office
Prior art keywords
drill bit
drilling
cutting
bit
leg
Prior art date
Application number
EA200501840A
Other languages
English (en)
Russian (ru)
Other versions
EA200501840A1 (ru
Inventor
Дьюрре Ханс Зейслинг
Original Assignee
Шелл Интернэшнл Рисерч Маатсхаппий Б.В.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Шелл Интернэшнл Рисерч Маатсхаппий Б.В. filed Critical Шелл Интернэшнл Рисерч Маатсхаппий Б.В.
Publication of EA200501840A1 publication Critical patent/EA200501840A1/ru
Publication of EA007764B1 publication Critical patent/EA007764B1/ru

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
    • E21B10/32—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools
    • E21B10/322—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools cutter shifted by fluid pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Drilling Tools (AREA)
EA200501840A 2003-05-21 2004-05-19 Буровое долото и система для бурения ствола скважины EA007764B1 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP03076532 2003-05-21
PCT/EP2004/050856 WO2004104361A1 (en) 2003-05-21 2004-05-19 Drill bit and system for drilling a borehole

Publications (2)

Publication Number Publication Date
EA200501840A1 EA200501840A1 (ru) 2006-06-30
EA007764B1 true EA007764B1 (ru) 2006-12-29

Family

ID=33462159

Family Applications (1)

Application Number Title Priority Date Filing Date
EA200501840A EA007764B1 (ru) 2003-05-21 2004-05-19 Буровое долото и система для бурения ствола скважины

Country Status (9)

Country Link
US (1) US7383900B2 (pt)
EP (1) EP1625276B1 (pt)
CN (1) CN100540840C (pt)
BR (1) BRPI0410464A (pt)
CA (1) CA2526881C (pt)
DE (1) DE602004005444T2 (pt)
EA (1) EA007764B1 (pt)
NO (1) NO20056066L (pt)
WO (1) WO2004104361A1 (pt)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6971459B2 (en) * 2002-04-30 2005-12-06 Raney Richard C Stabilizing system and methods for a drill bit
EA007829B1 (ru) * 2003-11-28 2007-02-27 Шелл Интернэшнл Рисерч Маатсхаппий Б.В. Буровое долото и способ использования
US7823657B2 (en) 2008-01-15 2010-11-02 Abergeldie Holdings Pty Ltd/Abergeldie Plant Pty Ltd. Drilling assembly, drilling reamer arm assembly, and methods of drilling
CN102979461B (zh) * 2012-12-19 2015-10-21 广汉市井管厂 一种同心跟管钻具
US9816355B2 (en) * 2014-07-24 2017-11-14 Baker Hughes, A Ge Company, Llc Multi-purpose through tubing tool
GB2564468B (en) * 2017-07-13 2020-01-01 Equinor Energy As Cutting tool with pivotally fixed cutters
CA3095123A1 (en) * 2018-03-26 2019-10-03 Novatek Ip, Llc Borehole cross-section steering
CN108756757B (zh) * 2018-05-30 2020-07-03 河南理工大学 注液式矿用钻头式扩孔器
NO20240063A1 (en) * 2024-01-24 2025-07-25 Altus Intervention Tech As Downhole tubing cutter tool, downhole tubing cutter assembly and associated methods

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2822150A (en) * 1955-04-18 1958-02-04 Baker Oil Tools Inc Rotary expansible drill bits
US3208540A (en) * 1963-03-21 1965-09-28 Baker Oil Tools Inc Expansible rotary well drilling bit
GB2320270A (en) * 1996-12-06 1998-06-17 Psl Tools Limited Underreamer with extendable cutting blades

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2238377A (en) * 1939-09-09 1941-04-15 Edward S Strang Undercutter
GB2365888B (en) 2000-08-11 2002-07-24 Renovus Ltd Drilling apparatus

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2822150A (en) * 1955-04-18 1958-02-04 Baker Oil Tools Inc Rotary expansible drill bits
US3208540A (en) * 1963-03-21 1965-09-28 Baker Oil Tools Inc Expansible rotary well drilling bit
GB2320270A (en) * 1996-12-06 1998-06-17 Psl Tools Limited Underreamer with extendable cutting blades

Also Published As

Publication number Publication date
US7383900B2 (en) 2008-06-10
CN100540840C (zh) 2009-09-16
NO20056066L (no) 2006-02-17
EA200501840A1 (ru) 2006-06-30
BRPI0410464A (pt) 2006-05-30
EP1625276B1 (en) 2007-03-21
US20070039760A1 (en) 2007-02-22
CA2526881A1 (en) 2004-12-02
CN1791733A (zh) 2006-06-21
WO2004104361A1 (en) 2004-12-02
DE602004005444D1 (de) 2007-05-03
CA2526881C (en) 2012-01-24
DE602004005444T2 (de) 2007-07-19
EP1625276A1 (en) 2006-02-15

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Legal Events

Date Code Title Description
MM4A Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s)

Designated state(s): AM AZ BY KG MD TJ TM